{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data privacy and security?","a":"Immutability:  Once data is recorded on the blockchain, it cannot be altered or deleted. This feature ensures the integrity of the data and prevents unauthorized modifications."}]}],"pr":"81dd28231f88e5f3384cb5d31c39a32ca2cd4caab3b1679f7eac8ddab7f9ab03"}